Messages in this thread Patch in this message | | | Date | Mon, 25 Jul 2011 01:09:30 +0200 | From | "Zoltan, Kiss" <> | Subject | [PATCH 1/1] IPv4: Send gratuitous ARP for secondary IP addresses also |
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From: Zoltan Kiss <schaman@sch.bme.hu>
If a device event generates gratuitous ARP messages, only primary address is used for sending. This patch iterates through the whole list. Tested with 2 IP addresses configuration on bonding interface.
Signed-off-by: Zoltan Kiss <schaman@sch.bme.hu> --- net/ipv4/devinet.c | 16 ++++++++-------- 1 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 37b3c18..bc19bd0 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1134,15 +1134,15 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev, struct in_device *in_dev) { - struct in_ifaddr *ifa = in_dev->ifa_list; - - if (!ifa) - return; + struct in_ifaddr *ifa; - arp_send(ARPOP_REQUEST, ETH_P_ARP, - ifa->ifa_local, dev, - ifa->ifa_local, NULL, - dev->dev_addr, NULL); + for (ifa = in_dev->ifa_list; ifa; + ifa = ifa->ifa_next) { + arp_send(ARPOP_REQUEST, ETH_P_ARP, + ifa->ifa_local, dev, + ifa->ifa_local, NULL, + dev->dev_addr, NULL); + } } /* Called only under RTNL semaphore */ -- 1.7.4.1
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